Schedule 13 G
Item 1 (a) ATC Group Services, Inc.
(b) 104 East 25th Street 10th Floor
New York, NY 10010
Item 2 (a) Corbyn Investment Management, Inc., et al.
(b) Suite 108
2330 W. Joppa Road
Lutherville, Maryland 21093
(c) Incorporated in the State of Maryland
(d) Common Stock
(e) 002067106
Item 3 (h) The filer is a group consisting of an Investment Adviser
registered under Section 203 of the Investment Advisers Act of 1940 and an
Investment Company registered under Section 8 of the Investment Company Act.
Item 4 N/A
Item 5 Reporting person has ceased to be the beneficial owner of more
than 5% of the class of securities.
Item 6 N/A
Item 7 N/A
Item 8(a) The group consists of an Investment Adviser registered under
Section 203 of the Investment Advisers Act of 1940 (IA) and an Investment
Company registered under Section 8 of the Investment Company Act (IV).
Item 9 N/A
<PAGE>
Schedule 13 G
Item 1 (a) ATC Group Services, Inc.
(b) 104 East 25th Street, 10th Floor
New York, NY 10010
Item 2 (a) Corbyn Investment Management, Inc.
(b) Suite 108
2330 W. Joppa Road
Lutherville, Maryland 21093
(c) Incorporated in the State of Maryland
(d) Common Stock
(e) 002067106
Item 3(e) The filer is an Investment Adviser registered under Section 203
of the Investment Advisers Act of 1940.
Item 4 N/A
Item 5 Reporting person has ceased to be the beneficial owner of more
than 5% of the class of securities.
Item 6 N/A
Item 7 N/A
Item 8 N/A
Item 9 N/A
<PAGE>
Schedule 13 G
Item 1 (a) ATC Group Services, Inc.
(b) 104 East 25th Street, 10th Floor
New York, NY 10010
Item 2 (a) Greenspring Fund, Inc.
(b) Suite 110
2330 W. Joppa Road
Lutherville, Maryland 21093
(c) Incorporated in the State of Maryland
(d) Common Stock
(e) 002067106
Item 3(d) The filer is an Investment Company registered under Section 8
of the Investment Company Act.
Item 4 N/A
Item 5 Reporting person has ceased to be the beneficial owner of more
than 5% of the class of securities.
Item 6 N/A
Item 7 N/A
Item 8 N/A
Item 9 N/A
Item 10 By signing below I certify that, to the best of my knowledge and
belief,the securities referred to above were acquired in the ordinary course
of business and were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the issuer of such
securities and were not acquired in connection with or as a participant
in any transaction having such purposes or effect.
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.
January 12, 1999
Signature
Charles vK. Carlson, President
Name/Title
<PAGE>
CUSIP No. 002067106 13G
1. Name of Reporting Person
SS Identification No. of Above Person
Corbyn Investment Management, Inc. et al
n/a
2. Check The Appropriate Box If A Member Of A Control Group (a) [x]
(b) [ ]
3. SEC Use Only
4. Citizenship or Place of Organization
Suite 108 2330 W. Joppa Rd.
Lutherville, MD 21093
Number Of 5. Sole Voting Power
Shares 0
Beneficially 6. Shared Voting Power
Owned By
Each 7. Sole Dispositive Power
Reporting 0
Person With 8. Shared Dispositive Power
9. Aggregate Amount Beneficially Owned By Each Reporting Person
0
10. Check Box if the Aggregate Amount in Row (9) Excludes
Certain Shares [ ]
11. Percent Of Class Represented By Amount In Row 9
0
12. Type Of Reporting Person
00- Group Consisting of IA and IV
<PAGE>
CUSIP No. 002067106 13G
1. Name of Reporting Person
SS Identification No. of Above Person
Corbyn Investment Management, Inc.
52-0964322
2. Check The Appropriate Box If A Member Of A Control Group (a) [x]
(b) [ ]
3. SEC Use Only
4. Citizenship or Place of Organization
Suite 108 2330 W. Joppa Rd.
Lutherville, MD 21093
Number Of 5. Sole Voting Power
Shares 0
Beneficially 6. Shared Voting Power
Owned By
Each 7. Sole Dispositive Power
Reporting 0
Person With 8. Shared Dispositive Power
9. Aggregate Amount Beneficially Owned By Each Reporting Person
0
10. Check Box if the Aggregate Amount in Row (9) Excludes
Certain Shares [ ]
11. Percent Of Class Represented By Amount In Row 9
0
12. Type Of Reporting Person
IA
<PAGE>
CUSIP No. 002067106 13G
1. Name of Reporting Person
SS Identification No. of Above Person
Greenspring Fund, Inc.
52-1267740
2. Check The Appropriate Box If A Member Of A Control Group (a) [x]
(b) [ ]
3. SEC Use Only
4. Citizenship or Place of Organization
Suite 110 2330 W. Joppa Rd.
Lutherville, MD 21093
Number Of 5. Sole Voting Power
Shares 0
Beneficially 6. Shared Voting Power
Owned By
Each 7. Sole Dispositive Power
Reporting 0
Person With 8. Shared Dispositive Power
9. Aggregate Amount Beneficially Owned By Each Reporting Person
0
10. Check Box if the Aggregate Amount in Row (9) Excludes
Certain Shares [ ]
11. Percent Of Class Represented By Amount In Row 9
0
12. Type Of Reporting Person
IV
